• Xiaoting Lin and Guoyan Qi.
• Xiaoting Lin, Center of Treatment of Myasthenia Gravis Hebei Province, Shijiazhuang People's Hospital, Shijiazhuang, 050000, Hebei, China.
• Pak J Med Sci. 2022 Mar 1; 38 (4Part-II): 910-915.

ObjectiveTo investigate the efficacy of different methylprednisolone regimens in the treatment of myasthenia gravis (MG).MethodsA total of 98 patients with MG admitted to Shijiazhuang People's Hospital from December 2018 to November 2019 were randomly divided into two groups, with 49 cases in each group. Patients in the control group received high-dose methylprednisolone pulse therapy, while those in the experimental group received medium-dose periodic therapy of methylprednisolone. Anti-acetylcholine receptor antibodies (AChRab), clinical absolute scores, complement levels (C3, C4), T lymphocyte subsets (CD3+, CD4+, CD4+CD25+), cytokines [interferon-γ (INF-γ), transforming growth factor-β1 (TGF-β1), interleukin-6 (IL- 6), interleukin-18 (IL-18)], and changes in quality of life [15-item Myasthenia Gravis Quality of Life Scale (MGQOL-15) score] were compared between the two groups before treatment and one and three months after treatment. Moreover, the incidence of adverse drug reactions in the two groups during 3 months of treatment was compared.ResultsAfter three months of treatment, ACHRAB, clinical absolute score, CD3+, CD4+, INF-γ, IL-6, IL-18 and MGQOL-15 scores in both groups were significantly decreased compared with those before treatment (p<0.05), and the scores of C3, C4, CD4+CD25+ and TGF-β1 in both groups were significantly higher than those before treatment (p<0.05), and the experimental group had more significant changes than the control group (p<0.05). During three months of treatment, the total incidence of adverse drug reactions in the experimental group was significantly lower than that in the control group (p<0.05).ConclusionsThe medium-dose periodic therapy of methylprednisolone is more prominent in the long-term efficacy performance. It can improve the immunity and quality of life of patients, and it is safer and has high clinical application value.Copyright: © Pakistan Journal of Medical Sciences.

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